Chemical mechanical polishing correction tool
US-2025319569-A1 · Oct 16, 2025 · US
Brightening metals by chemical means
Brightening metals by chemical means · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C23F3/00 |
| Official title | Brightening metals by chemical means |
| Display label | Brightening metals by chemical means |
| Total patents | 58 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 11 |
| 2019 | 4 |
| 2020 | 7 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for preparing metal mesh and method for preparing antenna
US-2025240895-A1 · Jul 24, 2025 · US
Chemical mechanical polishing correction tool
US-12365060-B2 · Jul 22, 2025 · US
Method of manufacturing additively manufactured object
US-12285802-B2 · Apr 29, 2025 · US
Microelectronic assembly from processed substrate
US-2025125196-A1 · Apr 17, 2025 · US
Method of manufacturing gallium oxide substrate and polishing slurry for gallium oxide substrate
US-12187918-B2 · Jan 7, 2025 · US
Microelectronic assembly from processed substrate
US-12051621-B2 · Jul 30, 2024 · US
Method for controlling the surface glossiness of metal workpiece and method for preparing metal film
US-2024018664-A1 · Jan 18, 2024 · US
Polishing composition
US-2024018390-A1 · Jan 18, 2024 · US
Etching metal using N-heterocyclic carbenes
US-11840766-B2 · Dec 12, 2023 · US
CMP slurry composition for copper films and method of polishing copper films using the same
US-11746258-B2 · Sep 5, 2023 · US
Method of manufacturing additively manufactured object
US-2022371093-A1 · Nov 24, 2022 · US
Chemical mechanical polishing correction tool
US-2022324081-A1 · Oct 13, 2022 · US
Microelectronic assembly from processed substrate
US-2022285213-A1 · Sep 8, 2022 · US
Microelectronic assembly from processed substrate
US-11367652-B2 · Jun 21, 2022 · US
Polishing composition
US-2022089907-A1 · Mar 24, 2022 · US
Method of manufacturing gallium oxide substrate and polishing slurry for gallium oxide substrate
US-2022002589-A1 · Jan 6, 2022 · US
Metal compound chemically anchored colloidal particles and methods of production and use thereof
US-11104825-B2 · Aug 31, 2021 · US
Cmp slurry composition for copper films and method of polishing copper films using the same
US-2021115296-A1 · Apr 22, 2021 · US
Polishing compositions and methods of use thereof
US-2021087431-A1 · Mar 25, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C23F3/00?
- CPC C23F3/00 is the Cooperative Patent Classification code for “Brightening metals by chemical means.”
- How many patents are filed under CPC C23F3/00 (Brightening metals by chemical means)?
- Our database includes 58 publications tagged with this CPC code.
- Is patent activity under CPC C23F3/00 growing?
- Publication counts under this code: 3 in 2024 vs 6 in 2025 (latest complete years).